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A New Geostatistical Method for Modelling Sedimentary Facies ArchitecturesNormal access

Authors: T. Le Blevec, O. Dubrule, C.J. John and G.J. Hampson
Event name: 80th EAGE Conference and Exhibition 2018
Session: Building and Updating of Static Geomodels I
Publication date: 11 June 2018
DOI: 10.3997/2214-4609.201800789
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 843.94Kb )
Price: € 20

Cyclicity and rhythmicity are important features of sedimentary architectures. However, most geostatistical facies simulations techniques do not directly quantify or model them. A new approach based on Pluri-Gaussian Simulations, addresses this limitation of standard geostatistical techniques. It allows the modelling of cyclicity thanks to the introduction of a shift between Gaussian functions, and hole-effect variograms in the vertical direction. The results obtained in the three-dimensional simulation of a carbonate platform confirm that cyclicity and rhythmicity are properly modelled and that the method can be generalized to the modelling of both clastic and carbonate facies architectures.

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